Home / 10,228.26-14,114.75-6,691.40

Finding the Fourth Proportional to 10,228.26, 14,114.75 and 6,691.40

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Solution

The fourth proportional to 10,228.26, 14,114.75 and 6,691.40 is: 9,233.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.26 : 14,114.75 = 6,691.40 : x
  2. Step 2: Convert to fraction form
    10,228.26/14,114.75 = 6,691.40/x
  3. Step 3: Cross multiply
    10,228.26x = 14,114.75 × 6,691.40
  4. Step 4: Simplify right side
    10,228.26x = 94,447,384.30
  5. Step 5: Solve for x
    x = 94,447,384.30/10,228.26
  6. Step 6: Final answer
    x = 9,233.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.